Consider a Game That Consists of Dealing Out a Hand

Consider a game that consists of dealing out a hand of two random cards from a deck of four cards.The deck contains the Ace of Spades (As) ,the Ace of Hearts (Ah) ,the King of Spades (Ks) and the 9 of Hearts (9h) .Aces count as 1 or 11.Kings count as 10.You are interested in the total count of the two cards,with a maximum count of 21 (that is,AsAh = 12) .Given that the total count is at least 19,what is the probability that the hand contains the King of Spades?

A) 1/4
B) 1/3
C) 1/2
D) 2/3
E) 3/5